Question

please help i really need to understand this for my final

Image text transcribed for accessibility:A voltaic cell consists of Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 degree The initial concentrations of Pb2+ and Cu2+ arc 0.0500 M and1.50 M respectively. Write a cell notation to represent this cell. What is the initial cell potential for this cell? What is the cell potential when the concentration of Cu2+ has fallen 0.200 M?